oldland

Tectonic nature and tectonic evolution of the " xuefeng oldland " in the Caledonian stage

雪峰古陆加里东期的构造性质和构造演化

But Xishuangbanna Oldland sank under the sea twice in late Carboniferous and middle and late Jurassic , all achievements in species origin and evolution were spoiled .

但西双版纳古陆分别于晚石炭纪和中、晚侏罗纪两次沦为海洋，其物种起源与演化成果前功尽弃。

The Babaoshan gold-silver deposit in Cathaysian oldland is 140 ± 5Ma old originated from volcanic hydrothermal ore-formation .

华夏古陆八宝山金银矿为140±5Ma的火山热液成矿。

From early Cambrian to early Jurassic , Xishuangbanna Oldland and Burma Oldland formed a whole oldland , and had the same history of species origin and evolution .

从早寒武纪至早侏罗纪，西双版纳古陆一直与其南面的缅甸古陆连为一体，并具有相同的物种起源和演化历史。

Diachronous and progressive deformation during the Indosinian-Yanshanian movements of the Xuefeng Mountain intracontinental composite tectonic system TECTONIC NATURE AND TECTONIC EVOLUTION OF THE " XUEFENG OLDLAND " IN THE CALEDONIAN STAGE

雪峰山陆内复合构造系统印支&燕山期构造穿时递进特征雪峰古陆加里东期的构造性质和构造演化

Antimony deposits are situated on an intersection between the Xikuangshan NNE-striking extented toward the north antimony belt on the edge of the southern part of the Xuefeng oldland and the EW-striking antimony - gold belt within the Xuefeng oldland .

矿床位于雪峰古陆南部边缘，锡矿山北北东向锑矿带向北延伸与雪峰古陆东西向锑金矿带的交汇部位；